6543074 has 4 divisors (see below), whose sum is σ = 9814614. Its totient is φ = 3271536.

The previous prime is 6543073. The next prime is 6543101. The reversal of 6543074 is 4703456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6477025 + 66049 = 2545^2 + 257^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6543073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1635767 + ... + 1635770.

Almost surely, 2^6543074 is an apocalyptic number.

6543074 is a deficient number, since it is larger than the sum of its proper divisors (3271540).

6543074 is a wasteful number, since it uses less digits than its factorization.

6543074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271539.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 6543074 is about 2557.9433144618. The cubic root of 6543074 is about 187.0368920703.

The spelling of 6543074 in words is "six million, five hundred forty-three thousand, seventy-four".